.header{
    position: fixed;
    top: 0px;
    width: 100%;
    line-height: 40px;
    font-size: 26px;
    text-align: center;
}
.main{
    padding: 45px 10px 45px 10px;
}

.bottom-menu{
    position: fixed;
    bottom: 0px;
    width: 100%;
    line-height: 50px;
    border-top :solid #a29898 1px;
}
.bottom-menu .item{
    float: left;
    width: 25%;
    text-align: center;
    line-height: 50px;
    
}
